Cover for an overflow drain



FIG. 1 is a top plan view of a cover for an overflow drain showing my new design.

FIG. 2 is a bottom plan view of the cover for an overflow drain.

FIG. 3 is a side elevated view of the cover for an overflow drain.

FIG. 4 is a side elevated view of the cover for an overflow drain; and,

FIG. 5 is a cross-sectional view taken along line 5—5 of FIG. 1 of the cover for an overflow drain. 

The ornamental design for a cover for an overflow drain, as shown and described. 